Slipstreamer Radar Detector Mount Kit for 1 1/4in. Handlebars R-M-1.25 Mount kit allows most radar detectors to be mounted to 7/8in., 1 or 11/4in. diameter handlebars Black anodized aluminum with a 3/16in. clearacrylic mounting plate Measures 41/4in. L x 31/4in. W